build: cleanup build script

build.gradle.kts

@@ -67,24 +67,12 @@ tasks {
     }
 }
 
-// Apply custom version arg
-val versionArg = if (hasProperty("customVersion"))
-    (properties["customVersion"] as String).uppercase() // Uppercase version string
-else
-    "${project.version}-SNAPSHOT-${Instant.now().epochSecond}" // Append snapshot to version
-
-// Strip prefixed "v" from version tag
-project.version = if (versionArg.first().equals('v', true))
-    versionArg.substring(1)
-else
-    versionArg.uppercase()
-
 publishing {
     publications {
         create<MavenPublication>("maven") {
-            groupId = "${project.group}"
+            groupId = "${rootProject.group}"
             artifactId = "colorparser"
-            version = "${project.version}"
+            version = "${rootProject.version}"
 
             pom {
                 name.set("ColorParser")
@@ -133,4 +121,16 @@ publishing {
             }
         }
     }
-}
+}
+
+// Apply custom version arg
+val versionArg = if (hasProperty("customVersion"))
+    (properties["customVersion"] as String).uppercase() // Uppercase version string
+else
+    "${project.version}-SNAPSHOT-${Instant.now().epochSecond}" // Append snapshot to version
+
+// Strip prefixed "v" from version tag
+project.version = if (versionArg.first().equals('v', true))
+    versionArg.substring(1)
+else
+    versionArg.uppercase()